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Hagrid is falsely accused of opening the Chamber of Secrets
He is so accused because Tom Riddle catches him raising an Acromantula in the castle -
Across the Lake to Hogwarts castle
Their first view of Hogwarts is a shining castle reflected in the dark Lake. They glide through a curtain of ivy to a small, hidden pebble beach where they disembark, walk up a path, and come to the massive wooden front doors.